diff --git a/msm/vidc/msm_vidc_buffer_calculations.c b/msm/vidc/msm_vidc_buffer_calculations.c
index 558b0ccea280..e6b5a38a60f8 100644
--- a/msm/vidc/msm_vidc_buffer_calculations.c
+++ b/msm/vidc/msm_vidc_buffer_calculations.c
@@ -245,12 +245,13 @@
 #define QMATRIX_SIZE (sizeof(u32) * 128 + 256)
 #define MP2D_QPDUMP_SIZE 115200
 
-#define HFI_IRIS2_ENC_PERSIST_SIZE 102400
+#define HFI_VENUS_VPPSG_MAX_REGISTERS  2048
+#define HFI_IRIS2_ENC_PERSIST_SIZE \
+	((((HFI_VENUS_VPPSG_MAX_REGISTERS << 3) + 255) & (~255)) * 10)
 
 #define HFI_MAX_COL_FRAME 6
 #define HFI_VENUS_VENC_TRE_WB_BUFF_SIZE (65 << 4) // bytes
 #define HFI_VENUS_VENC_DB_LINE_BUFF_PER_MB      512
-#define HFI_VENUS_VPPSG_MAX_REGISTERS  2048
 #define HFI_VENUS_WIDTH_ALIGNMENT 128
 #define HFI_VENUS_WIDTH_TEN_BIT_ALIGNMENT 192
 #define HFI_VENUS_HEIGHT_ALIGNMENT 32